Finding the Fourth Proportional to 932,212,882,209.15, 1,286,440,086,542.10 and 520,687,366,572.05
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Solution
The fourth proportional to 932,212,882,209.15, 1,286,440,086,542.10 and 520,687,366,572.05 is: 718,540,918,815.63
Step by Step Solution
- Step 1: Write the proportion equation
932,212,882,209.15 : 1,286,440,086,542.10 = 520,687,366,572.05 : x - Step 2: Convert to fraction form
932,212,882,209.15/1,286,440,086,542.10 = 520,687,366,572.05/x - Step 3: Cross multiply
932,212,882,209.15x = 1,286,440,086,542.10 × 520,687,366,572.05 - Step 4: Simplify right side
932,212,882,209.15x = 669,833,100,914,326,159,491,072 - Step 5: Solve for x
x = 669,833,100,914,326,159,491,072/932,212,882,209.15 - Step 6: Final answer
x = 718,540,918,815.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.